If a trust boundary is placed on a Cisco IP phone, what occurs with the packets that come to the phone from a PC?

A. The phone sets/resets the CoS field to 3 for voice signaling and 5 for voice traffic.

B. The phone does not mark any packets, and the access switch sets up the CoS values.

C. The phone sets/resets the CoS field to 0; voice signaling is set to 3; and voice traffic is set to 5.

D. QoS is performed at the distribution layer, and packets are marked at this boundary.








 

Suggested Answer: C



This question is in 350-801 CLCOR exam 
For getting CCNP Collaboration Certificate


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